Wikipedia
Iyannough
Iyannough (also Iyanough) was an American Indian sachem and leader of the Mattachiest ( Mattakeese, a sub-group of the Wampanoag people) tribe of Cummaquid in the area of what is now Barnstable, Massachusetts. The village of Hyannis, the Wianno section of Osterville, and Iyanough Road ( Route 132) are all named after him.